Kimetsu No Yaiba Episode 21 -

, titled "Against Corps Rules," serves as the emotional conclusion to the Natagumo Mountain Arc, balancing a tragic villain backstory with high-stakes tension between the Hashira . Rui’s Tragic Backstory

While Giyu holds Shinobu in a headlock, Kanao Tsuyuri pursues the siblings. Nezuko avoids her slashes by shrinking into a smaller, "adorable" form to escape. Aftermath and Cliffhanger Kimetsu no Yaiba Episode 21

Shinobu Kocho attempts to kill Nezuko, but Giyu Tomioka intervenes to protect them, violating the code he previously upheld. , titled "Against Corps Rules," serves as the

As he disintegrates, Rui realizes his parents actually intended to die with him out of love. Tanjiro, sensing his grief, shows mercy by placing a hand on his back. In the afterlife, Rui reunites with his parents, who promise to stay with him even in hell. Conflict Within the Corps Aftermath and Cliffhanger Shinobu Kocho attempts to kill